What is the result: +(-8) ÷ 2 = ?
Solve: ⁻2 + ⁺21 - ⁺15
What is the result: (3 - 5) * 2 - ⁺3 = ?
What is the result: + (-2) . (-3) = ?
Solve: + ⁺3 X - ⁺15.
